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DBMS > Couchbase vs. KairosDB vs. OpenQM

System Properties Comparison Couchbase vs. KairosDB vs. OpenQM

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Editorial information provided by DB-Engines
NameCouchbase infoOriginally called Membase  Xexclude from comparisonKairosDB  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparison
DescriptionJSON-based document store derived from CouchDB with a Memcached-compatible interfaceDistributed Time Series DBMS based on Cassandra or H2QpenQM is a high-performance, self-tuning, multi-value DBMS
Primary database modelDocument storeTime Series DBMSMultivalue DBMS
Secondary database modelsKey-value store infooriginating from the former Membase product and supporting the Memcached protocol
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score31.49
Rank#23  Overall
#3  Document stores
Score0.56
Rank#201  Overall
#11  Time Series DBMS
Score0.27
Rank#243  Overall
#10  Multivalue DBMS
Websitewww.couchbase.comgithub.com/­kairosdb/­kairosdbwww.openqm.com
Technical documentationdocs.couchbase.comkairosdb.github.iowww.openqm.com/­support/­documentation
DeveloperCouchbase, Inc.Martin Phillips
Initial release201120131993
Current releaseServer: 6.0, October 2018; Mobile: 2.5, May 2019; Couchbase Autonomous Operator: 1.2, May 20191.2.2, November 20183.4-12
License infoCommercial or Open SourceOpen Source infoApache version 2; Commercial licenses also availableOpen Source infoApache 2.0Open Source infoGPLv2, extended commercial license available
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC, C++, Go and ErlangJava
Server operating systemsLinux
OS X
Windows
Linux
OS X
Windows
AIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Data schemeschema-freeschema-freeyes infowith some exceptions
Typing infopredefined data types such as float or dateyes infoString, Boolean, Numberyes
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.noyes
Secondary indexesyesnoyes
SQL infoSupport of SQLDeclarative query language (N1QL) that extends ANSI SQL to JSON. First commercial implementation of SQL++.nono
APIs and other access methodsNative language bindings for CRUD, Query, Search and Analytics APIsGraphite protocol
HTTP REST
Telnet API
Supported programming languages.Net
C
Clojure
ColdFusion
Erlang
Go
Java
JavaScript infoNode.js
Perl
PHP
Python
Ruby
Scala
Tcl
Java
JavaScript infoNode.js
PHP
Python
.Net
Basic
C
Java
Objective C
PHP
Python
Server-side scripts infoStored proceduresFunctions and timers in JavaScriptnoyes
Triggersyes infovia the TAP protocolnoyes
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infobased on Cassandrayes
Replication methods infoMethods for redundantly storing data on multiple nodesMaster-master replication infoincluding cross data center replication
Master-slave replication
selectable replication factor infobased on Cassandrayes
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency infoselectable on a per-operation basis
Eventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataSingle-document ACID transactionsnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infoEphemeral bucketsno
User concepts infoAccess controlUser and Administrator separation with password-based and LDAP integrated Authenticationsimple password-based access controlAccess rights can be defined down to the item level
More information provided by the system vendor
Couchbase infoOriginally called MembaseKairosDBOpenQM infoalso called QM
Specific characteristicsDeveloped as an alternative to traditionally inflexible relational databases, Couchbase...
» more
Competitive advantagesCouchbase was architected with several differentiated capabilities: Shared-nothing,...
» more
Typical application scenariosCustomer 360 for user profile, session store and data aggregation (Comcast, Equifax,...
» more
Key customersAmadeus, AT&T, BD (Becton, Dickinson and Company), Carrefour, Cisco, Comcast, Disney,...
» more
Market metricsNamed a leader in the Forrester Wave™: Big Data NoSQL, Q1 2019 Over 10M downloads...
» more
Licensing and pricing modelsThe Community Edition (CE) of Couchbase Server and Couchbase Mobile are available...
» more

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More resources
Couchbase infoOriginally called MembaseKairosDBOpenQM infoalso called QM
DB-Engines blog posts

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